package utils;


import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.TypeReference;
import execption.BizCodeEnum;
import org.apache.http.HttpStatus;

import java.util.HashMap;
import java.util.Map;

/**
 * @author 张功琰
 * @create 2021-11-12 15:36
 * @Description 返回数据
 * @Version v1.0
 */
public class R extends HashMap<String, Object> {
    private static final long serialVersionUID = 1L;


    public R setData(Object data) {
        put("data",data);
        return this;
    }

    //利用fastjson进行反序列化
    public <T> T getData(TypeReference<T> typeReference) {
        Object data = get("data");	//默认是map
        String jsonString = JSON.toJSONString(data);
        return JSON.parseObject(jsonString, typeReference);
    }

    //利用fastjson进行反序列化
    public <T> T getData(String key,TypeReference<T> typeReference) {
        Object data = get(key);	//默认是map
        String jsonString = JSON.toJSONString(data);
        return JSON.parseObject(jsonString, typeReference);
    }

    public R() {
        put("code", 0);
        put("msg", "success");
    }

    public static R error() {
        return error(HttpStatus.SC_INTERNAL_SERVER_ERROR, "未知异常，请联系管理员");
    }

    public static R error(String msg) {
        return error(HttpStatus.SC_INTERNAL_SERVER_ERROR, msg);
    }

    public static R error(int code, String msg) {
        R r = new R();
        r.put("code", code);
        r.put("msg", msg);
        return r;
    }

    public static R ok(String msg) {
        R r = new R();
        r.put("msg", msg);
        return r;
    }

    public static R ok(Map<String, Object> map) {
        R r = new R();
        r.putAll(map);
        return r;
    }

    public static R ok() {
        return new R();
    }

    @Override
    public R put(String key, Object value) {
        super.put(key, value);
        return this;
    }

    public Integer getCode() {

        return (Integer) this.get("code");
    }

    public R list(String key, Object value) {
        JSONObject json=new JSONObject();
        json.put(key,value);
        super.put("data", json);
        return this;
    }

    public static R ok(BizCodeEnum bizCodeEnum){
        R r = new R();
        r.put("code", bizCodeEnum.getCode());
        r.put("msg", bizCodeEnum.getMessage());
        return r;
    }
    public static R error(BizCodeEnum bizCodeEnum){
        R r = new R();
        r.put("code", bizCodeEnum.getCode());
        r.put("msg", bizCodeEnum.getMessage());
        return r;
    }
}
